CN106832878A - A kind of dyeing polyurethane resin and its application in synthetic leather - Google Patents
A kind of dyeing polyurethane resin and its application in synthetic leather Download PDFInfo
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- CN106832878A CN106832878A CN201611270227.3A CN201611270227A CN106832878A CN 106832878 A CN106832878 A CN 106832878A CN 201611270227 A CN201611270227 A CN 201611270227A CN 106832878 A CN106832878 A CN 106832878A
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- polyurethane resin
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- synthetic leather
- leather
- mould proof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
- C08K5/3415—Five-membered rings
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0059—Organic ingredients with special effects, e.g. oil- or water-repellent, antimicrobial, flame-resistant, magnetic, bactericidal, odour-influencing agents; perfumes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0088—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1671—Resistance to bacteria, mildew, mould, fungi
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
A kind of application the invention discloses dyeing polyurethane resin and its in synthetic leather is prepared.Count by weight, 0.01~10 part of prodigiosin;5~70 parts of polyurethane resin;20~94.9 parts of organic solvent;0~10 part of auxiliary agent.The present invention makees colouring agent with prodigiosin, and polyurethane resin is dissolved in organic solvent (such as dimethylformamide, ethanol, acetone or ethyl acetate), it is made slurry, suitable composition can be uniformly dispersed prodigiosin, fully dissolves with preparation method, so as to keep PU mill base stable performances;PU mill bases are used in synthetic leather wet method bass layer or Coating technology, technique for applying is simple and convenient to operate, the colored PU bright-colored, mechanical properties of leather of acquisition are good, and moisture resistant fastness is good, and antibacterial effect is excellent.
Description
Technical field
The present invention relates to synthetic leather processing technical field, and in particular to a kind of mould proof dyeing polyurethane resin of environment-friendly antibacterial and
Its application in synthetic leather is prepared.
Background technology
Polyurethane (PU) synthetic leather has prominent wearability, intensity and toughness, solvent resistance, oil resistivity, cutting rate high
Deng excellent properties, the products such as sports play shoes, leather shoes, leather clothes, case and bag, sofa, stationery, automotive trim are widely used in
On, it is preferable natural leather substitute products.
But conventional polyurethanes synthetic leather is being made finished product using soon, because in material containing necessary to bacterium, mould
Nutriment, under the conditions of suitable temperature and humidity, microbes amount reproduction causes the biodegradation of polyurethane, causes
Going mouldy occurs in leather surface, crack performance, shortens the service life of synthetic leather, or even cannot use and lose value.
Current PU synthetic leather belongs to oil-soluble system mostly, more with 2- butanone, dimethylformamide, acetone, ethyl acetate
Deng organic solvent as applicating medium.Mostly it is due to microorganism secretion esterase and synthetic leather occurs as soon as crack performance in a short time
Metabolite is caused to the decomposition that leather is produced.For antibacterial and mouldproof synthetic leather, somewhat by remove nutriment,
Control environmental condition or mould proof, stifling and using mould inhibitor the method for radiation carry out Leather mildew-proof treatment.But these methods without
Doubt and harsh requirement is proposed to environment and operating condition and technique, for example:Sterilized using Penetration of ethylene oxide leather inside
Method, it is necessary to safety prevention measure higher, process conditions are complicated, high cost, severe contamination environment;Radiating mould proof rule needs
Place is built in sparse population area, and it is relatively costly.Some PU leather then uses nano metal material (such as Nano Silver), day
Right antiseptic (such as shitosan), organic antibacterial agent (such as quaternary ammonium salt) are added to the processing mode in polyurethane stock solution to obtain
Antibacterial and mouldproof effect.And for colored PU synthetic leather, at present mostly by the way of out-phase coloring, by the work of auxiliary agent
With carrying out coloring treatment with acid dyes, premetallized dye, neutral dye, disperse dyes or pigment.
This colored synthesis leather material with antibacterial and mouldproof effect, because colouring agent and antibacterial and mouldproof inorganic agent are processed
Sewage disposal is caused to discharge difficulty, it is necessary to need to add various auxiliary agents in dye bath with the consistency problem of polyurethane solutions in journey
Increase, simultaneously because it belongs to heterophasic system mixing, also result in the exacerbation of crack performance.
The present invention can be solved the above problems using environmental type biological dye prodigiosin, and obtain Physical Mechanical
The synthetic leather product that energy is excellent, wet colour fastness is good, antibacterial and mouldproof effect is good.
The present invention use prodigiosin be by biological bacteria fermentation and come natural red colouring matter, belong to lipid-soluble dye, can
It is dissolved in the organic solvents such as ethanol, acetone, dimethylformamide, ethyl acetate, tetrahydrofuran.Prodigiosin is produced by multiple-microorganism
The raw and natural pigment with bioactivity, containing 3 pyrrole rings, its structural formula is:
Prodigiosin has the advantages that anti-malarial, antibacterium, the bioactivity of fungi and autoimmunity depression activity, in vitro
Bacteriostatic test shows that prodigiosin to have suppress well to S. aureus L-forms (penicillin resistant, erythromycin bacterial strain) and Shigella flexneri imitates
Really.And it spans the limiting factors such as the seasonality that pigment is extracted from plant, region, can produce in enormous quantities, meets
The demand of people.
Prodigiosin can stability preferably, can be in a long time in acid or neutral environment (pH 3.0~7.0)
Stabilization is kept, the pigment is unstable in the basic conditions, color being raised with pH value and gradually become shallower as, untill display is colourless.
Separately there are some researches show prodigiosin its content loss below 40 DEG C is fewer;1h is incubated at 100 DEG C still retain 80% colour value,
According to visually observing, prodigiosin color is almost unchanged, this explanation prodigiosin better heat stability, in process to temperature
Degree require it is relatively low, in can apply to hot worked product.
The existing many reports of dyeing and printing process are applied to as colouring agent on prodigiosin at present, are mostly using organic molten
Agent first dissolve prodigiosin fiber is dyeed by the effect of some auxiliary agents then or stamp process, its application process with
The application process of disperse dyes is more similar, belongs to out-phase treatment.And prodigiosin is applied to as a kind of fat-soluble colouring agent
Synthetic leather technique has not been reported.
The content of the invention
The invention provides a kind of mould proof dyeing polyurethane resin of environment-friendly antibacterial, polyurethane and clever bacterium are red in the resin material
Element dissolving is abundant, is particularly well-suited to the synthetic leather technique for polyurethane bass layer or coatings.
A kind of mould proof dyeing polyurethane resin of environment-friendly antibacterial, by weight, is made up of the component of following weight portion:
Further preferably, the mould proof dyeing polyurethane resin of described environment-friendly antibacterial, by weight, by following weight portion
Component is constituted:
Still more preferably, the mould proof dyeing polyurethane resin of described environment-friendly antibacterial, by weight, by following weight portion
Component constitute:
By the way of native staining, with organic solvent as dyeing medium, obtain has good physical mechanicalness to the present invention
Can, dyefastness and with the polyurethane material of antibacterial and mouldproof effect.
The present invention makees colouring agent, assistant and is made dyeing with the polyurethane resin and organic solvent of approrpiate wts part with prodigiosin
Polyurethane slurry, prodigiosin dissolving therein is abundant, and the dyeing polyurethane slurry is used for synthetic leather work by size performance stabilization
In skill, level-dyeing property is good, and wet colour fastness is good, and fungistatic effect is excellent, and obtained synthetic leather material softness is good, pliability is good.
In the mould proof dyeing polyurethane resin of environment-friendly antibacterial of the present invention, the usual auxiliaries for preparing PU synthetic leather are optionally added.
Prodigiosin belongs to fat-soluble biological dyestuff, is soluble in ethanol, dimethylformamide, acetone, ethyl acetate, tetrahydrochysene
The organic solvents such as furans, 2- butanone, and polyurethane resin is also dissolvable in water dimethylformamide, acetone, 2- butanone, acetic acid second
The organic solvents such as ester, tetrahydrofuran, thus the cosolvent of the two can be selected as dissolving medium, after being configured to mill base, carry out
It is processed further, obtains the dyeing Synthetic Leather material with antibacterial and mouldproof effect.
In addition, prodigiosin is as obtained from one plant of inoculation of haematochrome superior strain, culture, fermentation, extraction.In its life
During product, the extraction of aubergine thalline is exactly using organic solvent (such as ethanol, acetone, dimethylformamide, ethyl acetate
Deng) carried out as solvent.Extract solution and the polyurethane tree of aubergine thalline can be directly used for Simplified flowsheet condition
Fat carries out miscible, prepared colour polyurethane paste.This method can be with simplification of flowsheet, while energy saving, reduces organic solvent
Usage amount.The processing technology of follow-up synthetic leather may be directly applied to conventional synthesis leather production line.The system of prodigiosin
For the Chinese patent application that can use application publication number CN 104789614A (Application No. 201510162982.9).
The prodigiosin can be the prodigiosin powder that particle diameter is 0.5~2 μm, can also be culture medium bacterial secretory
The solution of thing prodigiosin, while can expand suitable for other fat-soluble biological dyestuffs.
Described polyurethane resin can use commercially available prod, specifically can be using the different polyurethane resin of modulus.It is described poly-
Urethane resin can be polyester-type or EU resin, and its range of viscosities is in 500~5000000mpa.
Described organic solvent be ethanol, dimethylformamide, acetone, ethyl acetate, tetrahydrofuran, 2- butanone in extremely
Few one kind, above-mentioned organic solvent can simultaneously dissolve prodigiosin and polyurethane resin, make prodigiosin and polyurethane resin
Can uniformly mix, fully dissolve, form homogeneous system, be not in crack performance so as to keep colour polyurethane paste stable performance.
Further preferably, described organic solvent is at least in acetone, dimethylformamide, ethyl acetate, tetrahydrofuran, ethanol
Kind.
Most preferably, the mould proof dyeing polyurethane resin of described environment-friendly antibacterial, by weight, by the group of following weight portion
Divide and constitute:
Described organic solvent is dimethylformamide.
A kind of preparation method of Synthetic Leather, comprises the following steps:
1) prodigiosin, polyurethane resin, organic solvent and the alternative auxiliary agent for adding are well mixed, obtain ring
Protect antibacterial and mouldproof dyeing polyurethane resin;
2) by the mould proof dyeing polyurethane resin of environment-friendly antibacterial by the way of wet coagulation, wet polyurethane semi-finished product are obtained
Leather, i.e. synthetic leather bass layer, after bass layer surface is through ornamenting, as Synthetic Leather finished product.Wet polyurethane synthetic leather has
There is the performance of brilliance, there is good ventilative, penetrability, smooth plentiful feel, excellent mechanical strength, particularly from structure
Approximate natural leather.
The preparation method of another Synthetic Leather, comprises the following steps:
1) prodigiosin, polyurethane resin, organic solvent and the alternative auxiliary agent for adding are well mixed, obtain ring
Protect antibacterial and mouldproof dyeing polyurethane resin;
2) the mould proof dyeing polyurethane resin of environment-friendly antibacterial is applied on synthetic leather base cloth by the way of coating, through solidifying
Gu, washing, drying form, obtain single cladding process polyurethane semi-finished product leather, i.e., single cladding process bass layer, it is post-treated after gathered
Urethane synthetic leather.Single cladding process bass layer (single cladding process polyurethane semi-finished product leather) usually forms poly- ammonia with dry method transfer veneer again
Lipase absobed removes from office product, or polishes to form Synthetic Leather product through decorticating mill.Particularly by single painting of dry method transfer veneer
The synthetic leather that bass is made is covered, designs and varieties are various, can both produce common decorative pattern leather, mirror surface leather, interior flower can be produced again
Line leather, pearlized leather, color printing mirror surface leather etc..The condition of described drying is:1~5min, optimal, institute are dried at 60~120 DEG C
The condition of the drying stated is:3min is dried at 90 DEG C.
Its product purpose of wet polyurethane synthetic leather identical with natural leather can make clothes, footwear, case and bag, ball etc..
Single cladding process polyurethane semi-finished product leather is mainly used in the aspects such as women's shoes, playshoes, suitcase, wallet.
Therefore, the mould proof dyeing polyurethane resin of environment-friendly antibacterial of the invention can be used for the synthetic leather for preparing, synthetic leather
Material can apply to the fields such as clothes, case and bag, footwear, sofa, automotive trim.
Compared with prior art, beneficial effects of the present invention are:
(1) present invention is using prodigiosin as colouring agent, and prodigiosin and polyurethane resin are dissolved in organic solvent,
Polyurethane slurry is made, suitable solvent enables prodigiosin and polyurethane resin uniformly to mix, fully dissolve, forms homogeneous body
System, so as to keep colour polyurethane paste stable performance;
(2) present invention can directly using the extract solution (containing prodigiosin) and poly- ammonia of haematochrome superior strain fermentation thalli
Ester mixed with resin is obtained colour polyurethane paste.Technique for applying is simple and convenient, properties of product stabilization, and with good antibacterial effect;
(3) colour polyurethane paste is used in synthetic leather technique, the synthetic leather material uniform color of acquisition, Physical Mechanical
Can be good, moisture resistant fastness is good, and fungistatic effect is excellent.
Specific embodiment
The present invention is described in further detail with reference to specific embodiment.In the embodiment of the present invention, such as without especially
Illustrate, the part being previously mentioned is weight portion.
Embodiment 1
Each raw material of following parts by weight is taken respectively:
Print paste is prepared using the raw material of above-mentioned weight portion, is comprised the following steps:
(1) it is the attritive powder between 0.5~2 μm by 5 parts of prodigiosin ball mill grinding to particle diameters, by the fine powder
End is added in 15 parts of DMF (dimethylformamide), is mixed, and obtains A liquid;
(2) the PU solution for being hybridly prepared into 20 parts of polyurethane resins and 60 parts of DMF, obtains B liquid;
(3) A liquid is added in B liquid, mixing mashing, homogenizing make its pH value maintain the condition of faintly acid 6~6.5, obtain PU
Mill base.
(4) PU mill bases are scratched onto base fabric, in being bathed subsequently into wet coagulation, further washes, dries, obtain PU
Leather wet method bass layer.
(5) PU mill bases are poured on polyfluortetraethylene plate by the way of blade coating, are then dried, be made thickness and be about
The film of 0.05mm, to test the mechanical property of PU materials.
Performance test
Using obtained in embodiment PU mill bases prepare PU membrane materials, to obtain PU leather physical and mechanical properties, K/S values,
Colour fastness to rubbing, washing color fastness are tested, according to GB/T3920-2008《Textile color stability experiment rub resistance jail
Degree》Test fastness to rubbing, according to GB/T3921.3-2008《Textile color stability tests washing color fastness》Test is water-fast
Wash fastness.
Embodiment 2
0.01 part, 0.5 part, 2 parts, 8 parts, 10 parts of prodigiosins, weight portion and the phase of embodiment 1 of other raw materials are taken respectively
Together, the preparation method of PU mill bases is same as Example 1.PU membrane materials are prepared to test using (5th) one step process in embodiment 1
The application performance of PU mill bases, concrete outcome refers to table 1.
The prodigiosin content of table 1 removes from office the influence of color effects to PU
As can be seen from Table 1:When prodigiosin consumption is 0.01 part, its color is shallower.The number of prodigiosin consumption
Effect on Mechanical Properties to PU leather is less, original PU is maintained substantially and removes from office excellent physical and mechanical properties.As prodigiosin is used
Amount increase, the color depth of PU synthetic leather increases, and color is also more bright-coloured, and color and luster is fuller.Prodigiosin consumption be 5 parts with
When upper, PU leather color changes are little, therefore the optimum amount of prodigiosin is 5 parts (i.e. embodiment 1).
Embodiment 3
Embodiment 1 uses dimethylformamide (DMF) as solvent, respectively with 2- butanone (MEK), ethanol (EA) as molten
Dimethylformamide (DMF) in agent alternate embodiment 1, remaining prepares PU colors with embodiment 1 using the raw material of above-mentioned weight portion
Slurry, then prepares PU coatings using conventional covering with paint handling process preparation method ((5th) one step process in embodiment 1).Solvent
Influence of the species to PU leather color effects refers to table 2.
The solvent species of table 2 removes from office the influence of color effects to PU
From table 2, during using DMF as solvent, the good mechanical performance of PU materials, and bright-colored, full color,
Moisture resistant fastness excellent performance, therefore present invention selection DMF is used as solvent.
Embodiment 4
In embodiment 1 polyurethane resin be respectively adopted modulus for 30,50,100,240mps (label 1,2,3,4 respectively)
Polyurethane resin, is mixed with prodigiosin, prepares polyurethane film material according to the one step process of example 1 (5th), and it is carried out
Performance test, the application performance of variety classes colour PU membrane materials refers to table 3.
The application performance of the variety classes of table 3 colour PU membrane materials
As can be seen from Table 3:When polyurethane resin from different modulus is processed, the PU that obtains leather color compared with
It is deep, the color yield highest of prodigiosin.Prove that prodigiosin can apply to different classes of polyurethane resin coloring.
Embodiment 5
The DMF of weight portion in the same manner as in Example 1 is taken as solvent, the species and parts by weight and embodiment of other components
1 is identical, and the preparation method of PU mill base materials is same as Example 1, and PU membrane materials are dried using different drying temperatures
3min, then tests its property indices, and concrete outcome refers to table 4.
The drying temperature of table 4 removes from office the influence of performance to PU
As shown in Table 4, the washing fastness of the colored PU leather of acquisition, wet rubbing fastness are preferable, and 4 grades are all reached substantially
More than.When drying temperature is 120 DEG C, although indices are also substantially more than 3~4 grades, but the coloured light of colored leather occurs
Change, so optimal drying temperature selects 90 DEG C.
Embodiment 6
Take 0.01 part, 0.5 part, 2 parts, 5 parts (i.e. embodiment 1), 8 parts of prodigiosins respectively, the weight portion of other raw materials with
Embodiment 1 is identical, and the preparation method of PU mill bases is same as Example 1.The antibacterial of the PU leather that different prodigiosin concentration are obtained
Performance is tested, including:Staphylococcus aureus, Candida albicans and the strain Escherichia coli of slant preservation are taken, toward test tube
In plus 5ml sterilized waters, with liquid-transfering gun blow and beat thalline, pipette 100ml bacteria suspensions and be coated on beef-protein medium flat board,
Then the roundlet cloth that each PRINTED FABRIC is cut into 2.5 ± 0.5cm of diameter is placed on coated flat board, and with without prodigiosin
The PU leather of dyeing does negative control, and result is observed after being inverted culture 12h, and test result is shown in Table 5.
The anti-microbial property test result of the colour of table 5 PU leather
From table 5, using the print paste of embodiment 1, when prodigiosin is more than 0.5 part, the PU synthesis of acquisition
Leather has good resistance to Escherichia coli, staphylococcus aureus and Candida albicans.
Claims (10)
1. the mould proof dyeing polyurethane resin of a kind of environment-friendly antibacterial, it is characterised in that by weight, by the component of following weight portion
Constitute:
2. the mould proof dyeing polyurethane resin of environment-friendly antibacterial according to claim 1, it is characterised in that by weight, by
The component of following weight portion is constituted:
3. the mould proof dyeing polyurethane resin of environment-friendly antibacterial according to claim 2, it is characterised in that by weight, press
Weight portion meter, is made up of the component of following weight portion:
4. the mould proof dyeing polyurethane resin of environment-friendly antibacterial according to claim 1,2 or 3, it is characterised in that described has
Machine solvent is at least one in ethanol, dimethylformamide, acetone, ethyl acetate, tetrahydrofuran, 2- butanone.
5. the mould proof dyeing polyurethane resin of environment-friendly antibacterial according to claim 4, it is characterised in that described organic solvent
It is at least one in acetone, dimethylformamide, ethyl acetate, tetrahydrofuran, ethanol.
6. the mould proof dyeing polyurethane resin of environment-friendly antibacterial according to claim 1, it is characterised in that by weight, by
The component of following weight portion is constituted:
Described organic solvent is dimethylformamide.
7. the application of the mould proof dyeing polyurethane resin of environment-friendly antibacterial described in any one of claim 1~6 in synthetic leather is prepared.
8. the preparation method of the hemizygous finished leather of a kind of polyurethane, it is characterised in that comprise the following steps:
1) prodigiosin, polyurethane resin, organic solvent and the alternative auxiliary agent for adding are well mixed, obtaining right will
Seek the mould proof dyeing polyurethane resin of environment-friendly antibacterial described in 1~6 any one;
2) by the mould proof dyeing polyurethane resin of environment-friendly antibacterial by the way of wet coagulation, wet polyurethane semi-finished product leather is obtained,
After surface is through ornamenting, as Synthetic Leather finished product.
9. a kind of preparation method of Synthetic Leather, it is characterised in that comprise the following steps:
1) prodigiosin, polyurethane resin, organic solvent and the alternative auxiliary agent for adding are well mixed, obtaining right will
Seek the mould proof dyeing polyurethane resin of environment-friendly antibacterial described in 1~6 any one;
2) the mould proof dyeing polyurethane resin of environment-friendly antibacterial is applied on synthetic leather base cloth by the way of coating, through solidification, water
Wash, dry and form, obtain single cladding process polyurethane semi-finished product leather, it is post-treated after obtain Synthetic Leather.
10. the preparation method of Synthetic Leather according to claim 9, it is characterised in that the condition of described drying
For:1~5min is dried at 60~120 DEG C.
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Cited By (4)
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CN108118539A (en) * | 2017-12-30 | 2018-06-05 | 福建禾欣中裕新材料有限公司 | The preparation method of environment-friendly type Bearable dry and wet wipe, abrasion performance Synthetic Leather |
CN112575594A (en) * | 2020-11-25 | 2021-03-30 | 林振明 | Functional solvent and polyurethane slurry for dry preparation process of PU synthetic leather |
CN113186732A (en) * | 2021-04-14 | 2021-07-30 | 浙江合力革业有限公司 | Process for treating dry-process PU synthetic leather for wet-process recycling |
CN114437598A (en) * | 2022-02-10 | 2022-05-06 | 郑州宸博建筑科技有限公司 | Long-acting antibacterial mildew-proof algae-resistant coating and preparation method thereof |
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CN108118539A (en) * | 2017-12-30 | 2018-06-05 | 福建禾欣中裕新材料有限公司 | The preparation method of environment-friendly type Bearable dry and wet wipe, abrasion performance Synthetic Leather |
CN108118539B (en) * | 2017-12-30 | 2020-10-23 | 福建中裕新材料技术有限公司 | Preparation method of environment-friendly dry-wet-rubbing-resistant abrasion-resistant polyurethane synthetic leather |
CN112575594A (en) * | 2020-11-25 | 2021-03-30 | 林振明 | Functional solvent and polyurethane slurry for dry preparation process of PU synthetic leather |
CN113186732A (en) * | 2021-04-14 | 2021-07-30 | 浙江合力革业有限公司 | Process for treating dry-process PU synthetic leather for wet-process recycling |
CN114437598A (en) * | 2022-02-10 | 2022-05-06 | 郑州宸博建筑科技有限公司 | Long-acting antibacterial mildew-proof algae-resistant coating and preparation method thereof |
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